Sorry if there repost - I did search.
DJ Hero® 2 will transform living rooms into nightclubs letting budding beat chemists, singing sensations and all of their friends fire up two turntables and a microphone to experience their favorite music together as they’ve never heard it before. The follow-up to the award-winning, #1 new videogame IP of 2009, DJ Hero 2 delivers the ultimate way for gamers to come together with a host of new multiplayer modes that pit DJ against DJ in unique Battle Mixes, invite vocalists into the spotlight with scoring based on pitch and range detection and bring the party to life with jump-in/jump-out Party Play gameplay. Featuring the biggest dance, pop and hip-hop hits by the hottest artists everyone knows and loves remixed by world-class DJ’s in an all-new way, the game’s soundtrack delivers over 70 unique mashups only available in DJ Hero 2. Further immersing players into the music, the game offers a heightened level of creative input and allows everyone to add their own touch, directly impacting the beats they’re spinning with Freestyle scratching, cross-fading and sampling, performed at set points in the mix.